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RELEVANCE OF VISUAL ACCOMMODATION FOR PERFORMANCE IN SPACECRAFT

Award Information
Agency: National Aeronautics and Space Administration
Branch: N/A
Contract: N/A
Agency Tracking Number: 5084
Amount: $54,667.00
Phase: Phase I
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Timeline
Solicitation Year: N/A
Award Year: 1987
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
1040 Woodcock Rd Suite 227
Orlando, FL 32803
United States
DUNS: N/A
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 () -
Business Contact
 Dr. Robert S. Kennedy
Title: Investigator
Phone: () -
Research Institution
N/A
Abstract

"DARK FOCUS" IS DEFINED AS THE RESTING STATE OF VISUAL ACCOMMODATION YET TWO GENERAL MISCONCEPTIONS EXIST. FIRST, THAT THE RESTING POINT IS AT OPTICAL INFINITY, AND SECONDLY,THAT THE EYE ACCOMMODATES ACCURATELY. VISUAL PERFORMANCES REQUIRED IN SPACE ENTAIL CONTINUOUSLY CHANGING VIEWING DISTANCES AND TO ALLOW CREW MEMBERS TO PERFORM ROUTINELY ACCOMMODATION CHANGES NEED TO BE ASSESSED. WHEN A PERSON IS FOCUSED AT OTHER THAN THE TARGET DISTANCE, SEEING CAN BE DEGRADED. CONDITIONS IN SPACECRAFT (SPACE ADAPTATION SYNDROME, PROTRACTED CONFINEMENT) CAN BE STRESSFUL, THUS COULD INFLUENCE AUTONOMIC NERVOUS SYSTEM ACTIVITY. WE PROPOSE TO DEVELOP AN ACCURATE, RELIABLE, AND PORTABLE TEST OF ACCOMMODATION WHICH IS SPATIALLY AND TEMPORALLY CONCISE IN ORDER TO BE USED ABOARD SPACECRAFT. IN PHASE I WE WILL DEVELOP AND TEST THREE DIFFERENT METHODS OF MEASURING ACCOMMODATION, INCLUDING DARK FOCUS, IN TERMS OF RELIABILITY, STABILITY, SENSITIVITY, AND FEASIBILITY.

* Information listed above is at the time of submission. *

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